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C. M. KENDALL. MANIFOLD HEATER. APPLICATION FILED MAR. 11. 1919.

Patented June 24, 1919.

UNITED sTArn s ratrnur OFFICE.

CHARLES M. KENDALL, oritniorotis, ittnvoxs.

Maureen-HEATER,

To all whom it may concern:

Be it known that I, CHARLES M. KENDALL, a citizen of the United States, residing at Illiopolis, in the county of Sangamon and State of Illinois, have invented a new and useful Manifold-Heater, of which the following is a specification.

It is the object of this invention to provide a simple heater adapted to be applied to the intake manifold of an internal combusion engine, for the purpose of heating the mixture as it proceeds from the carbureter to the engine, it being a matter of common knowledge that it is somewhat difficult to start an automobile with cold fuel mixture.

It is within the province of the disclosure to improve generally and to enhance the utility of devices of thattype to which the invention appertains.

With the above and other objects in view, which will appear as the. description proceeds, the invention resides in the combination and arrangement of parts and in the de tails of construction hereinafter described and claimed, it being understood that, within the scope of what is claimed, changes in the precise embodiment of the invention shown can be made without departing from the spirit of the invention.

In the drawings Figure 1 shows in elevation, a portion of the fuel supply system of an automobile engine whereunto the device forming the subject matter of this application has been applied; Fig. 2 is an elevation showing the heater; Fig. 3 is a section on the line 33 of Fig. 2; and Fig. 41 is a section on the line 1-4 of Fig. 2.

In the drawings, the numeral 1 indicates the intake manifold of an internal combustion engine, the manifold having a neck through which the mixture proceeds to the manifold from the carbureter 3.

In carrying out the invention there is provided a heater in the form of a block 4:, made of metal. On one side, the block 4 is provided with a longitudinal groove 5 formed by flanges 6 and 6*, the flange 6 being disposed approximately parallel to the longitudinal aXis of the block, whereas the flange 6 is inclined at an acute angle to the said axis, the flanges 6 and 6 therefore, being disposed in converging relation with respect to each other. The upper endsof the the heated flanges 6 and 6 are curved laterally, as shown at 7, and are extended longitudinallyof the block and shaped, as indicated at 11 for a purpose which will be set forth hereinafter. The upper end of the block 1 is tapered as shown -at Sand merges into a book 9, the inner curve of whlch is marked by the reference numeral 10, and it will now be observed, referring particularly to Fig. 3, that the curve of the hook indicated at 10, together with the parts 11 of the flanges 6 and 6 definea transverse groove 12 communicating with the longitudinal groove 5, the grooves being disposed at right angles to each other, bothof the grooves 5 and 12 opening toward and through one side of the block. The hook 9 carries an upstanding lug 11 pro-- vided with a hole 15 adapted to receive a finger16 on. a rod 17 of any desired length.

In practical operation, the block 41 is placed, by means of the rod 17, in a stove, gas flame or other source of heat, the block being heated. to any desired degree. Then, by means of the rod 17, the block may be placed on the manifold 1 and the neck 2, as shown in Fig. 1. The manifold 1 is received in the cross groove 12, the neck 2 being received in the longitudinal groove 5. The book 9 projects beyond the outer edges of the flanges (i and 6 and serves to retain the block in place on the manifold. Owing to the particular configuration given the flanges 6 and 6 and the ends 7 of the said flanges, the block will fit snugly about the neck 2 andthe manifold 1, at the place where these parts are connected. Obviously,

block 41 will warm up the manifold and its neck 2, the charge being; warmed accordingly before it is sucked into the cyl inders of the engine.

Having thus described the invention, what is claimed is:-

1. A heater of the class described, comprising a block having communicating longitudinal and transverse grooves, both of which are open at one side of theblock.

2. A heater of the class described comprising a block having communicating longitudinal and transverse grooves, both of which are open at one side of the block, the transverse groove being formed, in part, by a hook having a lug provided with an opening.

3. A heater of the class described compristhe block having a hook. at

Specification of Letters fatent. J 11116 24, 1919. Application filed Marcnjw; 1919:: serilinaesaoaaf ing a block having flanges defining a longitudlnal groove,

its upper end, the inner olllrve of the hook asrny' own, I have hereto affixed my signaztnrl the inner ends of the flanges being ture in the presence of two Witnesses. shaped to form a. transverse groove comrnli- 1 5 r T nicating with the longitl'ldi'nal groove, both (yHARLES LEA DALL' 5 of the grooves being open at one side of the Witnesses:

blocks. s J'OHN SHELLER, In testimony that I claim the foregoing G. A. LUCAS.

Copies of this patent may be obtained for {ive cents each, by addressing the Commissioner of Patents, W'eshing'tbn, D1 0?" 

